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Cheap flights from Ireland to Belfast from €50

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Belfast departing on 26/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Ireland to Belfast

Recent return flight deals from Ireland to Belfast

Enter your travel dates to find the best prices.
Multiple Airlines Logo
07:35 - 18:55
ORK
-
BFS
11h 20m
1 stop
Multiple Airlines Logo
08:40 - 20:40
BFS
-
ORK
12h 00m
1 stop
€80Multiple Airlines
Mon, 23 Mar - Mon, 30 Mar
Multiple Airlines Logo
16:30 - 22:50
DUB
-
BFS
6h 20m
1 stop
Multiple Airlines Logo
22:20 - 07:50
BFS
-
DUB
9h 30m
1 stop
€84Multiple Airlines
Thu, 5 Mar - Mon, 9 Mar
Multiple Airlines Logo
16:30 - 22:50
DUB
-
BFS
6h 20m
1 stop
Multiple Airlines Logo
07:50 - 12:50
BFS
-
DUB
5h 00m
1 stop
€90Multiple Airlines
Thu, 5 Mar - Mon, 9 Mar
Multiple Airlines Logo
06:30 - 12:00
DUB
-
BFS
5h 30m
1 stop
Multiple Airlines Logo
07:40 - 16:05
BFS
-
DUB
8h 25m
1 stop
€91Multiple Airlines
Sun, 1 Mar - Wed, 4 Mar
Multiple Airlines Logo
21:35 - 08:20
SNN
-
BFS
10h 45m
1 stop
Multiple Airlines Logo
19:35 - 09:45
BFS
-
SNN
14h 10m
1 stop
€91Multiple Airlines
Sun, 22 Mar - Sun, 29 Mar
Aer Lingus Logo
06:40 - 12:50
DUB
-
BHD
6h 10m
1 stop
Aer Lingus Logo
09:50 - 16:45
BHD
-
DUB
6h 55m
1 stop
€187Aer Lingus
Sat, 7 Mar - Sun, 8 Mar
KLM Logo
11:15 - 21:00
ORK
-
BHD
9h 45m
1 stop
KLM Logo
06:30 - 10:45
BHD
-
ORK
4h 15m
1 stop
€247KLM
Sun, 15 Mar - Sat, 21 Mar
KLM Logo
11:15 - 21:00
ORK
-
BHD
9h 45m
1 stop
KLM Logo
06:30 - 10:45
BHD
-
ORK
4h 15m
1 stop
€261KLM
Sun, 15 Mar - Sat, 21 Mar
British Airways Logo
16:05 - 08:25
ORK
-
BHD
16h 20m
1 stop
British Airways Logo
06:35 - 11:10
BHD
-
ORK
4h 35m
1 stop
€309British Airways
Fri, 27 Feb - Mon, 2 Mar
British Airways Logo
11:55 - 17:15
ORK
-
BHD
5h 20m
1 stop
British Airways Logo
11:30 - 21:00
BHD
-
ORK
9h 30m
1 stop
€310British Airways
Sat, 7 Mar - Fri, 13 Mar

Aer Lingus flights from Ireland to Belfast

Our best Aer Lingus deals on Ireland to Belfast flight tickets
Aer Lingus
7 Mar
DUB06:40Dublin
6h 10m
1 stop
BHD12:50Belfast City
8 Mar
BHD09:50Belfast City
6h 55m
1 stop
DUB16:45Dublin
€187
Aer Lingus
20 Feb
DUB07:20Dublin
11h 05m
1 stop
BHD18:25Belfast City
22 Feb
BHD06:50Belfast City
11h 05m
1 stop
DUB17:55Dublin
€192
Aer Lingus
13 Feb
ORK11:35Cork
21h 45m
1 stop
BHD09:20Belfast City
14 Feb
BHD18:55Belfast City
16h 10m
1 stop
ORK11:05Cork
€444

British Airways flights from Ireland to Belfast

Our best British Airways deals on Ireland to Belfast flight tickets
British Airways
28 Feb
DUB17:55Dublin
17h 15m
1 stop
BHD11:10Belfast City
2 Mar
BHD06:35Belfast City
8h 30m
1 stop
DUB15:05Dublin
€256
British Airways
7 Mar
DUB20:40Dublin
12h 30m
1 stop
BHD09:10Belfast City
8 Mar
BHD20:25Belfast City
11h 30m
1 stop
DUB07:55Dublin
€257
British Airways
28 Feb
DUB17:55Dublin
14h 20m
1 stop
BHD08:15Belfast City
2 Mar
BHD09:15Belfast City
5h 05m
1 stop
DUB14:20Dublin
€275

momondo Fare Finder

 
Customise your flight search to find flights from Ireland to Belfast that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 8 February 2026.
Use the filters below to find and compare flights from Ireland to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CorkBelfast

ORK - BFS

ORKBFS

Cork

Mon 23/3

07:35-18:55

1 stop11h 20m

Belfast Intl

Mon 30/3

08:40-20:40

1 stop12h 00m

€80

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 5/3

16:30-22:50

1 stop6h 20m

Belfast Intl

Mon 9/3

22:20-07:50

1 stop9h 30m

€84

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 5/3

16:30-22:50

1 stop6h 20m

Belfast Intl

Mon 9/3

07:50-12:50

1 stop5h 00m

€90

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sun 1/3

06:30-12:00

1 stop5h 30m

Belfast Intl

Wed 4/3

07:40-16:05

1 stop8h 25m

€91

ShannonBelfast

SNN - BFS

SNNBFS

Shannon

Sun 22/3

21:35-08:20

1 stop10h 45m

Belfast Intl

Sun 29/3

19:35-09:45

1 stop14h 10m

€91

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 7/3

06:40-12:50

1 stop6h 10m

Belfast City

Sun 8/3

09:50-16:45

1 stop6h 55m

€187

CorkBelfast

ORK - BHD

ORKBHD

Cork

Sun 15/3

11:15-21:00

1 stop9h 45m

Belfast City

Sat 21/3

06:30-10:45

1 stop4h 15m

€247

CorkBelfast

ORK - BHD

ORKBHD

Cork

Sun 15/3

11:15-21:00

1 stop9h 45m

Belfast City

Sat 21/3

06:30-10:45

1 stop4h 15m

€261

CorkBelfast

ORK - BHD

ORKBHD

Cork

Fri 27/2

16:05-08:25

1 stop16h 20m

Belfast City

Mon 2/3

06:35-11:10

1 stop4h 35m

€309

CorkBelfast

ORK - BHD

ORKBHD

Cork

Sat 7/3

11:55-17:15

1 stop5h 20m

Belfast City

Fri 13/3

11:30-21:00

1 stop9h 30m

€310

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Belfast from

How to get the cheapest flight ticket from Ireland to Belfast

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

How long does it take to fly to Belfast?

The average flight duration from Ireland to Belfast depends on which airport you fly into and out of. Flying from Cork to Belfast Intl Airport is 3h 55m on average, while flying from Shannon to Belfast Intl Airport is 4h 25m on average. Belfast Intl Airport is the most popular airport in Belfast.

Cheap Ireland to Belfast flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Belfast

Fastest flight time

3h 30m

Direct flights

None
The fastest flight from Ireland to Belfast takes 3h 30m
There are no direct flights from Ireland to Belfast. There are no popular flight routes from Ireland to Belfast.
Search flight deals

  • When did momondo last update prices for flights from Ireland to Belfast?

    Prices for flights from Ireland to Belfast are refreshed on a daily basis.

  • How many operators does momondo search for flights from Ireland to Belfast?

  • How old do you have to be to fly from Ireland to Belfast?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Belfast.

  • What documentation or ID do you need to fly to Belfast?

    The required travel and health documents for your Belfast trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Belfast. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Ireland to Belfast

Compare and see reviews for airlines that fly from Ireland to Belfast with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom €257Free CancellationRating
6.7
7,719 reviews
Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to Belfast?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ireland to Belfast . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ireland to Belfast with flexible booking policies on momondo?

Yes. All flights to Belfast from Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ireland to Belfast?

Once all potential Ireland to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ireland to Belfast right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ireland to Belfast now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Belfast and let you know when they change.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 19.6 km from Belfast
Belfast Intl Airport
Belfast City Airport